<script setup>
    import {ref, reactive} from 'vue'
    // const msg = 'hello, vue'
    // const obj = {
    //     name: 'bit',
    //     age: 9
    // }
    const msg = ref('hello, world')
    const obj = reactive({
        name: 'bit',
        age: 9
    })
</script>

<template>
    <h1>{{ msg }}</h1>
    <h1>我叫 {{ obj.name }}, 我今年 {{ obj.age }} 岁了</h1>
</template>

<style scoped>
</style>

